(November 13, 1990) Starfinder episode 15 explores the nature of light from Galileo to the present (1990). Starfinder makes use of information from the Hubble Space Telescope to teach science. Topics: NASA, Hubble Space Telescope, light
The Light of the 21st Century Traces the development of lasers and discusses their applications in the fields of medicine, dentistry, construction, and communications. Examines the traumatic geologic events that led to the shaping of the North American continent. Visits the Great Slave Lake in Canada's Northwest Territory, where the ancient rocks contain clues to the remains of earliest life and to the continental collisions that in three long periods of mountain building formed the... Topic: The Light of the 21st Century
Circular and straight pulses are reflected from various shaped barriers. Periodic straight waves are refracted at various angles. Mention is made of Snell's law and spherical and chromatic aberrations. Various focusing effects and total internal reflection are demonstrated. From the EDC College Physics series Search Educational Film Journals at Media History Project for references to this film Topics: 16mm Film, Educational Film, Reflection (Optics), Refraction, Light Source: Lasergraphics ScanStation
This 1950s special interest short about sailing was made by the Castle Films company, a popular maker of 16mm films for the home movie market. It shows various sloops, sailboats, and racing sailboats. Australian racing dinghy's are seen at about the 2 minute mark. Dinghy racing is the competitive sport of sailing dinghies. Dinghy racing has affected aspects of the modern dinghy, including hull design, sail materials and sailplan, and techniques such as planing and trapezing. The... Topics: Sailing, Sail Racing, Tall Ship, Sailboat, Schooner, Cuba, Havana, Yacht Racing, Sqarerigger,...
Executive producers, Paul Burnford, Jack StoopsVariation in dark and light is called value. Value can be a natural part of any object, or it can be created by controlling the way in which light strikes the object. Artists can vary value in color by adding black or white, or by selecting contrasting dark or light color values. Sculptors create value by the way they form the surface to catch light and cast shadows. In all ages, and in many materials, artists have created value contrasts. Their... Topics: 16mm Film, Educational Film, Light, Shades and shadows, Light (Design), Art appreciation, Visual... Source: Lasergraphics ScanStation